The Topgun rebreather
is a fully closed circuit, manual control mixed gas rebreather.
There are 3 development units which have been dived extensively
for the past 5 years, from the wrecks of Sydney Australia to
the caves of North Florida, to the Andrea Doria.

The unit is now available
for purchase, by application, to qualifying divers. Minimum prerequisite
is trimix diver , with significant trimix/heliox diving experience.
Commercial and military diving experience considered.